Design and production of the company's main products are: heptafluoropropane gas automatic fire extinguishing system.

公司设计及生产的主要产品有：七氟丙烷气体自动灭火系统。

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Design and production of the company's main products are: heptafluoropropane gas automatic fire extinguishing system.

公司设计及生产的主要产品有：七氟丙烷气体自动灭火系统。

youdao