-
Apparatus for producing corrugated tube
-
Patent number 5,662,764
-
Issue date Sep 2, 1997
-
Toyo Chemical Co., Ltd.
-
Noboru Hasegawa
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
Apparatus for producing corrugated tube
-
Patent number 5,593,535
-
Issue date Jan 14, 1997
-
Toyo Chemical Co., Ltd.
-
Noboru Hasegawa
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-
Method for manufacturing corrugated tubes
-
Patent number 4,692,197
-
Issue date Sep 8, 1987
-
Toyo Chemical Co., Ltd.
-
Koutarou Ueda
-
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
-