DIN 24117:2007-02 Construction equipment and building material machinery - Distributing mast for concrete pumps - Principles of calculation and stability
2007DIN 24117:2007-02 Construction equipment and building material machinery - Distributing mast for concrete pumps - Principles of calculation and stability
2007DIN 24117:2007 Construction equipment and building material machinery - Distributing mast for concrete pumps - Principles of calculation and stability