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发明名称
Perfectionnements aux treuils
摘要
申请公布号
FR846188(A)
申请公布日期
1939.09.11
申请号
FRD846188
申请日期
1938.11.18
申请人
CLARKE, CHAPMAN & COMPANY, LIMITED
发明人
WOODESON WILLIAM ARMSTRONG;MIDGLEY WALTER
分类号
B66D1/48
主分类号
B66D1/48
代理机构
代理人
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