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公开(公告)号：US3534773A
公开(公告)日：1970-10-20
申请号：US3534773D
申请日：1968-08-05
Applicant: WATTS REGULATOR CO
Inventor： HENDRICKSON HOWARD D , DEWBERRY ALBERT W
CPC classification number: F16K37/0016 , F16N7/34 , Y10S411/919 , Y10T137/7062 , Y10T137/8225
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