Inventor

SAGISAKA KIYOJI

2 patents

Patents

2 patents

US4337793AJul 6, 1982

Copper-alloy tube water supply

SUMITOMO LIGHT METAL IND10 citations69

US4337785AJul 6, 1982

Method using copper-copper-alloy tube for water supply

SUMITOMO LIGHT METAL IND6 citations69