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发明名称
Mécanisme à manivelle.
摘要
申请公布号
BE581935(A1)
申请公布日期
1960.12.16
申请号
BE19590581935
申请日期
1959.08.24
申请人
PIERRE DEMART
发明人
PIERRE DEMART
分类号
主分类号
代理机构
代理人
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