O.P.E. Co. Ltd.

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Tokyo, JP

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for disposal of sludge in a floating roof type oil tank
- Patent number 4,515,312
- Issue date May 7, 1985
- Taiho Industries Co. Ltd.
- Nobuyuki Manabe
- B08 - CLEANING
Information Patent Grant
Method for disposal of sludge in floating roof type oil tank
- Patent number 4,426,233
- Issue date Jan 17, 1984
- Taiho Industries Co. Ltd.
- Nobuyuki Manabe
- B08 - CLEANING