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发明名称
COLD TRAP ICE-REMOVAL MEANS FOR VACUUM DRYING SYSTEMS
摘要
申请公布号
US3630051(A)
申请公布日期
1971.12.28
申请号
USD3630051
申请日期
1970.02.19
申请人
GRAHAM MFG. CO. INC.
发明人
DAVID H. MARTIN
分类号
B04C9/00;F26B5/04;(IPC1-7):B01D5/00
主分类号
B04C9/00
代理机构
代理人
主权项
地址
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