Việt
sự tôi chì
Anh
lead patenting
lead quench
Đức
Bleipatentieren
Bleibadhärten
Pháp
patentage au plomb
trempe au bain de plomb
lead patenting /INDUSTRY-METAL/
[DE] Bleipatentieren
[EN] lead patenting
[FR] patentage au plomb
lead patenting,lead quench /INDUSTRY-METAL/
[DE] Bleibadhärten
[EN] lead patenting; lead quench
[FR] trempe au bain de plomb