Humiharu Machi

Follow

Person

Tokyo, JP

People

Patents Grantslast 30 patents

Information Patent Grant
Method of stopping leakage of water in concrete structure
- Patent number 4,758,295
- Issue date Jul 19, 1988
- Shimizu Construction Co., Ltd.
- Minoru Sawaide
- C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...