A subpoena duces tecum is used to compel the production of documents that might be admissible before the court (duces tecum is Latin for bring with you).
Source: West's Encyclopedia of American...
A motion to quash is often used for suppressing service of a summons/complaint or warrant or other legal proceedings (discovery of evidence) due to such things as lack of jurisdiction, wrong...
subpena duces tecum : (suh-pea-nah dooh-chess-take-uhm or dooh-kess-take-uhm): a court order requiring a witness to bring documents in the possession or under the control of the witness to a certain...