Explosion-proof mine equipment : requirements for approval of storage-battery locomotives and power trucks, junction boxes, and electric motor-driven equipment.

Bibliographic Details
Format:	Government Document eBook
Language:	English
Published:	Washington, D.C. : [publisher not identified], 1930.
Series:	Mines Bur. Schedule No. 2 C
Subjects:	Mine explosions > Safety measures. Electronic books.
Online Access:	Connect to the full text of this electronic document

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