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发明名称
PACKING FOR VAPOUR-LIQUID CONTACTING SYSTEMS
摘要
申请公布号
CA539056(A)
申请公布日期
1957.04.02
申请号
CAD539056
申请日期
申请人
HER MAJESTY THE QUEEN, IN RIGHT OF CANADA, AS REPRESENTED BY THE MINISTE R OF SUPPLY AND SERVICES AND PUBLICS WORKS CANADA
发明人
JOSEPH A. MCWILLIAMS
分类号
主分类号
代理机构
代理人
主权项
地址
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