
Iso/cd 3439 - Subland Twist Drills With Cylindrical Shanks For Holes Prior To Tapping Screw Threads
出版:British Standards Institution

专家解读视频
Iso/cd 3439 - Subland Twist Drills With Cylindrical Shanks For Holes Prior To Tapping Screw Threads
出版:British Standards Institution
专家解读视频