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发明名称
Continuous self-returned mailing envelope
摘要
申请公布号
US3229893(A)
申请公布日期
1966.01.18
申请号
US19630329159
申请日期
1963.12.09
申请人
MYRON STEIN
发明人
STEIN MYRON
分类号
B42D15/08
主分类号
B42D15/08
代理机构
代理人
主权项
地址
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