中华人民共和国国家标准 GB/T 16672-1996 idt ISO 6947:1990 焊缝-工作位置-倾角和转角的定义=WELDS-WORKING POSITIONS-DEFINITIONS

下载此书RAR压缩包在线购买PDF电子书

2222 年出版0 页ISBN：

2000 RURAL ELECTRIC POWER CONFERENCE PAPERS PRESENTED AT THE 44TH ANNUAL CONFERENCE LOUISVILLE

下载此书RAR压缩包在线购买PDF电子书

KENTUCKY MAY 7-92000 年出版0 页ISBN：

REGIONALISM AND THE SOUTH SELECTED PAPERS OF RUPERT VANCE EDITED WUTH AN INTRODUCTION

下载此书RAR压缩包在线购买PDF电子书

JOHN SHELTON REED2016 年出版353 页ISBN：0807857564

Selected Papers on Planned Parenthood Volume 11 Research of Contraceptive Agents For Male (II)

下载此书RAR压缩包在线购买PDF电子书

1977 年出版275 页ISBN：

Selected Papers on Planned Parenthood Volume 23 Part I Physiological Mechanism of Female Contracepti

下载此书RAR压缩包在线购买PDF电子书

1982 年出版509 页ISBN：

DIVISION OF ENVIRONMENTAL CHEMISTRY PREPRINTS OF PAPERS PRESENTED AT THE 167TH NATIONAL MEETING

下载此书RAR压缩包在线购买PDF电子书

1974 年出版370 页ISBN：

Selected Papers on Planned Parenthood Volume 20 Genetic Effects of The Steroid Hormonal Contraceptiv

下载此书RAR压缩包在线购买PDF电子书

1980 年出版313 页ISBN：

Selected Papers on Planned Parenthood Volume 17 Research of Contraceptive Agents for Male (III)

下载此书RAR压缩包在线购买PDF电子书

1978 年出版419 页ISBN：

Selected Papers on Planned Parenthood Volume 19 Research of Contraceptive Agents for Female (III)

下载此书RAR压缩包在线购买PDF电子书

1980 年出版275 页ISBN：

PAPERS PRESENTED AT THE 2ND BHRA FLUID ENGINEERING INTERNATIONAL CONFERENCE ON ENERGY STORAGE

下载此书RAR压缩包在线购买PDF电子书

1983 年出版316 页ISBN：0906085845