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发明名称
Pulley
摘要
申请公布号
US2212779(A)
申请公布日期
1940.08.27
申请号
US19370142920
申请日期
1937.05.15
申请人
LUDWIG KLEIN
发明人
KLEIN LUDWIG
分类号
B61B12/02;F16H55/50
主分类号
B61B12/02
代理机构
代理人
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地址
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