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1.发明授权Method of making a wrapped filter tube of fiberglass and foraminous material 失效制造玻璃纤维和有孔材料的包裹过滤管的方法
公开(公告)号：US3063888A
公开(公告)日：1962-11-13
申请号：US82551459
申请日：1959-07-07
Applicant: PERMANENT FILTER CORP
Inventor： HOWARD HERBERT H , SMITH PAUL A , LUBBEN ROBERT A
CPC classification number: B01D17/045 , B01D39/2017 , Y10S55/05 , Y10T156/1011 , Y10T156/108 , Y10T156/109
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公开(公告)号：US3033783A
公开(公告)日：1962-05-08
申请号：US72667358
申请日：1958-04-07
Applicant: PERMANENT FILTER CORP
Inventor： LUBBEN ROBERT A
IPC: B01D29/11
CPC classification number: B01D29/111 , B01D29/15 , B01D29/33 , Y10T29/49604 , Y10T29/49929
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公开(公告)号：US3067504A
公开(公告)日：1962-12-11
申请号：US81989259
申请日：1959-06-12
Applicant: PERMANENT FILTER CORP
Inventor： LUBBEN ROBERT A , SMITH PAUL A
IPC: B01D29/11
CPC classification number: B01D29/111 , B01D29/27 , Y10S55/05 , Y10S55/26 , Y10T29/49604 , Y10T29/49801
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公开(公告)号：US3062377A
公开(公告)日：1962-11-06
申请号：US82551359
申请日：1959-07-07
Applicant: PERMANENT FILTER CORP
Inventor： HOWARD HERBERT H , SMITH PAUL A , LUBBEN ROBERT A
IPC: B01D17/04
CPC classification number: B01D17/045 , B01D17/06 , B01D17/10
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