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Source:
Colnect
Issued by:
China, PRC
Function:
postage
Date:
1/31
/
1978
Issue:
Development of Petroleum Industry
Denom:
8f
Color:
multicolored
Design:
Petroleum production
Watermark:
unwmk
Perf:
11
Sort pos:
2
Catalog value:
Prev:
8f d=Oil-well derrick
Next:
8f d=Laying of oil lines
External links:
Colnect 654823..oples_Republic
Record of changes