Under the deal announced early Monday in Germany, Siemens will pay $83 per common share of Dresser-Rand Group Inc., $3.09 more than the company's closing share price on Friday. Siemens said in a statement that Dresser-Rand's portfolio of compressors, steam and gas turbines and engines complements Siemens' existing offerings mainly in the growing global oil and gas and power generation businesses. [...] Monday, Siemens announced that Robert Bosch GmbH will buy Siemens' 50 percent stake in a household appliance joint venture between the two companies for 3 billion euros ($3.85 billion).