Device for testing concentration of chloride ions in sulphoaluminate cement sea sand concrete
The utility model discloses a device for testing the concentration of chloride ions in sulphoaluminate cement sea sand concrete, which comprises a testing box, an air cylinder is fixedly mounted at the top end of the testing box, the movable end of the air cylinder extends into the testing box and i...
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Format: | Patent |
Sprache: | chi ; eng |
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