"It says: CHECK SIGNAL for your basic petrochemicals!" - C&EN

Nov 6, 2010 - Advertisements that appeared within the print issues of Chem. Eng. News have been included in the C&EN Archives to provide a ...
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"It says: CHECK SIGNAL

for your basic petrochemicals!" HWTCT OIL AND GAS COMPANY

ESPESOL PRODUCTS

SIGNAL O I L AND G A S COMPANY H O U S T O N DIVISION 8 9 3 8 MANCHESTER · WA 3-1651 · HOUSTON 12, TEXAS PART

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