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发明名称
Stacking machanism
摘要
申请公布号
US2294718(A)
申请公布日期
1942.09.01
申请号
US19400352868
申请日期
1940.08.16
申请人
INTERNATIONAL BUSINESS MACHINES CORPORATION
发明人
CARROLL FRED M.
分类号
B65H29/06;G06K13/12;G06K19/02
主分类号
B65H29/06
代理机构
代理人
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地址
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