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Books by PHILADELPHIA GAS WORKS.

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2 books found
ORDINANCES OF COUNCILS AND RULES AND REGULATIONS FOR THE INTRODUCTION OF GAS AND FOR EXTENSIONS AND ALTERATIONS OF GAS FITTINGS: Together with the Terms upon which the Public will be Supplied with Gas by the Trustees of the Philadelphia Gas Works.
ORDINANCES OF COUNCILS AND RULES AND REGULATIONS FOR THE IN…
By: PHILADELPHIA GAS WORKS.
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Specifications for the Installation of Gas Piping and Domestic Gas Appliances (August 1, 1960, Form 68460, 7M-8-60)
Specifications for the Installation of Gas Piping and Domes…
By: Philadelphia Gas Works, The United Gas Improvement Company
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