Inventor
SOKAWA TAKUJI
JP3 patents
Patents
3 patentsUS4686126AAug 11, 1987
Tubular lining material for city water pipe lines
ASHIMORI IND CO LTD34 citations90
US5671778ASep 30, 1997
Repairing tube, method for repairing pipe lines therewith and method for removing the repairing tube
ASHIMORI IND CO LTD31 citations88
US4724178AFeb 9, 1988
Lining material for pipe lines
ASHIMORI IND CO LTD21 citations80