You jing qing la yu fang la
By: Daqing you tian "You jing qing la yu fang la" bian xie zu
Edition: Di 1 ban
Series: Shi you kan tan yu kai fa pu ji cong shu
Publisher: Ke xue chu ban she
Published: 1976
Place of publication: Beijing
Language: chi
Number of pages: 58
Subjects: Oil wells; Maintenance and repair; Paraffin deposition