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发明名称
Type holding device
摘要
申请公布号
US1952019(A)
申请公布日期
1934.03.20
申请号
US19320616207
申请日期
1932.06.09
申请人
MAREY GROSVENOR D
发明人
MAREY GROSVENOR D.
分类号
B41B1/28
主分类号
B41B1/28
代理机构
代理人
主权项
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