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经营范围
发明名称
Suction head
摘要
申请公布号
US2288209(A)
申请公布日期
1942.06.30
申请号
US19410423827
申请日期
1941.12.20
申请人
THE ATLANTA ENVELOPE CO.
发明人
SAMMONS BENJAMIN RAY
分类号
B31B19/00
主分类号
B31B19/00
代理机构
代理人
主权项
地址
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