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发明名称
CONVEYER CHAIN
摘要
申请公布号
CA389015(A)
申请公布日期
1940.05.28
申请号
CAD389015
申请日期
申请人
PORTLAND CHAIN MANUFACTURING CO.
发明人
HANS HANSEN;ROBERT S. MILLER
分类号
主分类号
代理机构
代理人
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