Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem
Pennsylvania. Department of Labor and Industry
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“Safety standards for elevators, escalators, dumb-waiters and hoists. Rules 214 to 265 inclusive (Effective December 15, 1924) Adopted Septem” by…
Catalogue details
- Author
- Pennsylvania. Department of Labor and Industry
- Category
- General & Other
- Language
- English
- Source
- HathiTrust