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发明名称
Conveyer chain
摘要
申请公布号
US2490682(A)
申请公布日期
1949.12.06
申请号
US19460639303
申请日期
1946.01.05
申请人
HARRY FREEMAN
发明人
FREEMAN HARRY
分类号
B65G17/38
主分类号
B65G17/38
代理机构
代理人
主权项
地址
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