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经营范围
发明名称
Perfectionnement aux dispositifs formant joints
摘要
申请公布号
FR1049256(A)
申请公布日期
1953.12.29
申请号
FRD1049256
申请日期
1951.01.18
申请人
发明人
LEDUC RENE
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
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地址
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