當(dāng)前位置:
首頁 >
標(biāo)準(zhǔn)詳情頁

Insulating Materials - Industrial Rigid Laminated Sheets Based On Thermosetting Resins For Electrical Purposes - Part 3-4: Specifications For Individual Materials - Requirements For Rigid Laminated Sheets Based On Phenolic Resins
出版:Polish Committee for Standardization

專家解讀視頻