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发明名称
Чертежная линейка
摘要
申请公布号
SU75969(A1)
申请公布日期
1948.11.30
申请号
SU19480381443
申请日期
1948.06.19
申请人
KADANTSEV F.G.
发明人
KADANTSEV F.G.
分类号
B43L7/00
主分类号
B43L7/00
代理机构
代理人
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