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发明名称
Pneumatic dispatch tube system
摘要
申请公布号
US1837703(A)
申请公布日期
1931.12.22
申请号
US19290396063
申请日期
1929.09.30
申请人
THE LAMSON COMPANY
发明人
COWLEY JAMES T.
分类号
B65G51/16
主分类号
B65G51/16
代理机构
代理人
主权项
地址
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