Houghton, B. <br/><br/>
Technical information sources: a guide to patent specifications,standards and technical reports literature. 

 - 2nd 
 - Clive Bingley  London  1967 
 - 119p. 
 - Technical information sources Patent literature Technical report literature British patent system Overseas patent systems 
<br/><br/><label>Nat. Bib. No.: </label>1045 
<br/><br/><label>Nat. Bib. Agency Control No.: </label>608.3:002 HOU 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Engineering & Technology
<br/><br/><label>Universal Decimal Class. No.: </label>608.3:002