Starter agent and Functionality
All starters contain active hydrogen atoms. The number …
Providing free formula for producing PU foam, and study together to develop new PU products.
All starters contain active hydrogen atoms. The number …
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__init__.py | 63938 | 2022-04-01 22:32:40 | 0644 | |||
__init__.pyc | 64325 | 2022-04-01 22:32:40 | 0644 |