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发明名称
Method and machine for forming edge seals on bags
摘要
申请公布号
US2987106(A)
申请公布日期
1961.06.06
申请号
US19570681920
申请日期
1957.09.04
申请人
AMSCO PACKAGING MACHINERY INC.
发明人
SYLVESTER JOHN D.;MESSMER EDWIN E.;JR. JOHN D. KEENAN,
分类号
B29C65/18;B29C65/74;B29C65/78;B65B51/16
主分类号
B29C65/18
代理机构
代理人
主权项
地址
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