San Francisco : Architect and Engineer, Inc · leaf 491
se Los Angeles ABBOT A. HAIVKS, INC.Engineers & Chemists INSPECTING — TESTING — CONSULTING CONCRETE • STEEL • MATERIALS CHEMICAL AND TESTING LAIORATORIES • RESEARCH AND INVESTIGATION • TESTS OF STRUCTURAL MATERIALS DESIGN OF CONCRETE MIXES SHOP AND ERECTION INSPECTION OF STRUCTURES AND… … NOVEMBER fc=
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