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发明名称
ENVELOPE CONTAINER
摘要
申请公布号
CA331336(A)
申请公布日期
1933.03.28
申请号
CAD331336
申请日期
申请人
GEORGE G. ROBINSON;THE SEAL-O-SAC (CANADA) LIMITED
发明人
PERCY M. YEATES
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主分类号
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代理人
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