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公开(公告)号:US1188863A
公开(公告)日:1916-06-27
申请号:US6853015
申请日:1915-12-24
Applicant: ELLCON COMPANY
Inventor: WAMPLER WILLIAM M , MURPHY ERNEST
CPC classification number: F16L58/182 , Y10T403/4608
公开(公告)号:US1188863A
公开(公告)日:1916-06-27
申请号:US6853015
申请日:1915-12-24
Applicant: ELLCON COMPANY
Inventor: WAMPLER WILLIAM M , MURPHY ERNEST
CPC classification number: F16L58/182 , Y10T403/4608