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摘要
申请公布号
SU82256(A1)
申请公布日期
1949.11.30
申请号
SU19480380704
申请日期
1948.03.31
申请人
KONDRYUKOV A.YA.
发明人
KONDRYUKOV A.YA.
分类号
G06G1/06
主分类号
G06G1/06
代理机构
代理人
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