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发明名称
Vacuum connection
摘要
申请公布号
US2244939(A)
申请公布日期
1941.06.10
申请号
US19400334221
申请日期
1940.05.09
申请人
GENERAL MILLS, INC.
发明人
CARLSON WALTER A.
分类号
F16J15/32
主分类号
F16J15/32
代理机构
代理人
主权项
地址
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