000 00354pam a2200121a 44500
082 _a660
_bF926s
100 _aFrome, H. E.
245 1 _aSTILLS AND TUBULAR HEATERS AND THEIR APPLICATIONS IN THE CHEMICAL INDUSTRY
_cINFORMATION LETTER NO. 98
260 _aNew York
_bAmerican Gas Association
_c1959
300 _a6
964 _gCIRC
997 _a20628 C
999 _c439094
_d439094