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NTIS 바로가기국가/구분 | United States(US) Patent 등록 |
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국제특허분류(IPC7판) |
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출원번호 | US-0731107 (1991-07-15) |
발명자 / 주소 |
|
인용정보 | 피인용 횟수 : 5 인용 특허 : 0 |
An article for providing a barrier between solder in a piping joint and the interior of the piping joint so that drinking water flowing therethrough is not contaminated by lead particles resulting from water flow erosion of the solder. The barrier article comprises an annular member a portion of whi
A method of bonding an inner and an outer pipe portion to form a joint, the method comprising attaching within the outer pipe portion an annular member which has an outer diameter which is greater than the outer diameter of the inner pipe portion and which is substantially equal to the inner diamete
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