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发明名称
Envelope
摘要
申请公布号
US2071439(A)
申请公布日期
1937.02.23
申请号
US19350053181
申请日期
1935.12.06
申请人
SNOW LESTER R
发明人
SNOW LESTER R.
分类号
B65D27/34
主分类号
B65D27/34
代理机构
代理人
主权项
地址
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