![]() ![]() ![]() 238000000926 separation method Methods 0.000 description 2.230000000576 supplementary Effects 0.000 claims description 3.230000000875 corresponding Effects 0.000 claims description 13.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to CN02149672.2 priority Critical Priority to CN 02149672 priority patent/CN1261916C/en Application filed by Gangming Yan filed Critical Gangming Yan Publication of WO2004055755A1 publication Critical patent/WO2004055755A1/en Links Inventor Gangming Yan Original Assignee Gangming Yan Priority date (The priority date is an assumption and is not a legal conclusion. Google Patents A rotatable projective map of the southern and northern hemisphere from the same point of viewÄownload PDF Info Publication number WO2004055755A1 WO2004055755A1 PCT/CN2003/001006 CN0301006W WO2004055755A1 WO 2004055755 A1 WO2004055755 A1 WO 2004055755A1 CN 0301006 W CN0301006 W CN 0301006W WO 2004055755 A1 WO2004055755 A1 WO 2004055755A1 Authority WO WIPO (PCT) Prior art keywords map projection southern hemisphere northern Prior art date Application number PCT/CN2003/001006 Other languages French ( fr) Google Patents WO2004055755A1 - A rotatable projective map of the southern and northern hemisphere from the same point of view WO2004055755A1 - A rotatable projective map of the southern and northern hemisphere from the same point of view
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