最終更新日:2022/12/24
Following a letter ballot of D-20. new definitions of plasticizer, reinforced plastics, filler, A-stage, B-stage, C-stage, and envenomation, will be sent to the standards committee.
編集履歴(0)
Following a letter ballot of D-20. new definitions of plasticizer, reinforced plastics, filler, A-stage, B-stage, C-stage, and envenomation, will be sent to the standards committee.