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经营范围
发明名称
Sheet separator and conveyer
摘要
申请公布号
US1794843(A)
申请公布日期
1931.03.03
申请号
US19290344353
申请日期
1929.03.05
申请人
FREEMAN ARTHUR J
发明人
FREEMAN ARTHUR J.
分类号
B65H3/08
主分类号
B65H3/08
代理机构
代理人
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地址
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