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发明名称
Perfectionnements aux courroies sur champ
摘要
申请公布号
FR706271(A)
申请公布日期
1931.06.20
申请号
FRD706271
申请日期
1930.02.19
申请人
发明人
CHAVAND RENE
分类号
F16G1/26
主分类号
F16G1/26
代理机构
代理人
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地址
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