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发明名称
Feeding device for valve bags
摘要
申请公布号
US1818093(A)
申请公布日期
1931.08.11
申请号
US19290403297
申请日期
1929.10.29
申请人
ST. REGIS PAPER COMPANY
发明人
PETERSON WILLIAM R.
分类号
B65B1/18
主分类号
B65B1/18
代理机构
代理人
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