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公开(公告)号：US3196896A
公开(公告)日：1965-07-27
申请号：US21621762
申请日：1962-08-10
Applicant: BERNHARD LEUTENEGGER
Inventor： BERNHARD LEUTENEGGER
IPC: F15B13/043 , F16K11/044 , F16K11/048 , F16K31/42
CPC classification number: F16K11/044 , F15B13/0431 , F16K11/048 , F16K31/423 , Y10T137/5283 , Y10T137/87201 , Y10T137/87209
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