Glossary entry (derived from question below)
German term or phrase:
rückstellprobe
English translation:
Reference sample
German term
Germany
... weil Sprache meine Leidenschaft ist
Native in: German 
Works in: English to German, German to English, French to German
rückstellproben
Dec 20, 2010 11:21: Steffen Walter changed "Field (specific)" from "(none)" to "Materials (Plastics, Ceramics, etc.)"
Proposed translations
Reference sample
Mexico
Hans Preisendanz ->Technical Translations<-
Engineering Expertise and Experience
Native in: German 
, Spanish
Works in: German to Spanish, Spanish to German, English to Spanish, and 3 more.
proben = test specimens
The best never rest!
Native in: English
Works in: German to English, Spanish to English, English to German, and 3 more.
reserve specimen
From one of my client's glossaries (Siemens Power Generation)
Germany
Quality Translations since 1986
Native in: English
Works in: German to English, English, German, and 6 more.
retention samples
we've (almost) had this before
See Kudoz ref below
Hyperglot..
Native in: English (Variant: US)
Works in: Swedish to English, Danish to English, Norwegian to English, and 13 more.
storage sample
zurückstellen equals store in English.
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